Nozzle-coupling.



P. PTBRSoN al W. GREGORY. NozzLE COUPLING.

APPLICATION FILED NOV. 25.1905.

PATENI'ED JULY 10, 1906.

lmuren srATEs PATENT oriuon PATRICK PATERSON AND WALTER GREGORY, OF CLEVELANDQOHIO.

NOZZLECOUPLING.

Specification of Letters Patent.

Patented July 1o, 1906.

Application filed November 25, 1905. Serial No. 289,042.

y ticularly for attaching the nozzle to the end ofa hose-pipe.

The object of the invention is to provide a device whereby, such attachment can be qluickly -and easily made and which will 1c aliinp the nozzle beyondthe possibility of a ea The invention is illustrated in the accom,

panying drawings, in which* Figure 1 is a plan view thereof. longitudinal section.

Referring specifically tothe drawings, 6 indicates the shank of a nozzle,- and 7 the end of Fig. is a a hose-pipe in whichsaid shank lits and to which the nozzle is coupled.

A screw-coupli g 1s eHected by means of male and female Isleeves `8 and 9, the former of which is threaded externally and the latter of which is threaded internally. These sleeves are made square or hexagonal on the outer side, so that a wrenchmay be applied toA tighten or'loosen the same. p

For thel purpose of effecting the clamping actlon splitl rings are interposed between the sleeves, comprising two outer'or end rings 10 and a middle ring 1 1 therebetween. The end rings 10 have a doubleI bevel on the outer side, as indicated at -12, and the middle ring has a double bevel on the inner side, as indicated at 13. The inner end of thesleeve 8 is beveled, as at -14, to fit against the corresponding bevcl on the ring-10, and the outer sleeve 9 has at the end of its threaded bore a beveled shoulder 15 to fit against the bevel-faceY 1,2 of the opposite end ring. When the sleeves are screwed together, the effect is to contract the split rings 10 and to expand the ring 11, i

which presses the former rings upon the hose and forces the same into tight contact with the shank of the nozzle. The coupling 4can be readily loosened by unscrewing the sleeve. The use of the plurality of split rings avoids any possibility of leak in consequence of the gap in the ring if only one ring were used.

We claim- The combination with a hose, and a nozzleshank fitting within the same, of a pair of members which are sleeved over the hoseand screw together and have within the same oppositely-arranged bevels, a pair of double-beveled rings upon the hose between saidlbevels,

and an oppositely-beveled ring between the said. rings, arranged to contract the latter when the members are screwed together.

In testimony whereof We have 'signed Iour names to this specification in the presence of two subscribing A l PATRICK PATERSON.

WALTER GREGORY. Witnesses; l

JOHN A. BOMMHARDT,

S. J. BOMMHARDT.

witnesses. f 

